package com.wjq.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器
 * @ProjectName: reggie_take_out
 * @Package: com.wjq.reggie.common
 * @ClassName: GlobalExceptionHandler
 * @Author: 10980
 * @Description: ${description}
 * @Date: 2022/8/19 15:13
 * @Version: 1.0
 */
//@ControllerAdvice通知annotations = {RestController.class}拦截含有@RestController注解的类
@ControllerAdvice(annotations = {RestController.class, Controller.class})
//方法返回json数据需要@ResponseBody
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    /**
     * 异常处理方法
     * @param ex
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2]+"已存在";
           return R.error(msg);
        }
        return R.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());

        return R.error(ex.getMessage());
    }
}
